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tatyana61 [14]
2 years ago
12

Help please

Mathematics
2 answers:
erastovalidia [21]2 years ago
6 0
A = a+b/ 2 h the / is a fraction btw.
Dmitry_Shevchenko [17]2 years ago
4 0

Answer:

A=a+b2h

Step-by-step explanation:

thats the answer

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Help! I need this for tomorrow!
Masja [62]
1. 1/2- you count the total (8) and then count the two and all the numbers greater than 5( don’t count 5) that is 4 so it would be 4/8 simplified to 1/2

2. 1/2- count the total (still 8) and how many prime numbers there are (4- 2,3,5, and 7) the answer is 4/8 simplified to 1/2
4 0
3 years ago
What is the area of the parallelogram?
madreJ [45]

Answer:

60 in²

Step-by-step explanation:

Area = base × height

= 15×4 = 60in²

4 0
3 years ago
Read 2 more answers
The Arc Electronic Company had an income of 90 million dollars last year. Suppose the mean income of firms in the same industry
jok3333 [9.3K]

Answer:

0.0869

Step-by-step explanation:

The arc electronic company had an income of 90 million dollars last year.

Mean(μ) = 75 million dollars

Standard deviation (σ) = 11 million dollars

Probability that the randomly selected will earn more than arc did last year = Pr(x>90)

Using normal distribution,

Z = (x - μ) / σ

Z = (90 - 75) / 11

Z = 15/11

Z = 1.36

From the normal distribution table, 1.36 = 0.4131

Φ(z) = 0.4131

Recall that when Z is positive, Pr(x>a) = 0.5 - Φ(z)

= 0.5 - 0.4131

= 0.0869

8 0
3 years ago
Which phrase describes the variable expression z+ 8?
a_sh-v [17]

9514 1404 393

Answer:

  A. z increased by 8

Step-by-step explanation:

When a positive value is added, the original value (z) is <em>increased</em>.

  z + 8   ⇔   z increased by 8

5 0
3 years ago
EVALUATE THE WORD PROBLEMS
andrezito [222]
Another effective strategy for helping students improve their mathematics performance is related to solving word problems. More specifically, it involves teaching students how to identify word problem types based on a given problem’s underlying structure, or schema. Before learning about this strategy, however, it is helpful to understand why many students struggle with word problems in the first place.

Difficulty with Word Problems

Most students, especially those with mathematics difficulties and disabilities, have trouble solving word problems. This is in large part because word problems require students to:
7 0
2 years ago
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